<html>
    <head>
         <js href="/Public/Min/?f=/Public/Js/jquery-1.9.0.min.js|/Public/Js/region.js"/>
    </head>
    <body>
        <select name="province" id="province" onchange="loadRegion('province',2,'city','{:U('Base/getRegion')}');">
            <option value="0" selected>省份/直辖市</option><volist name="province" id="vo">
                <option value="{$vo.id}" >{$vo.name}</option></volist>
        </select>
        <select name="city" id="city"  onchange="loadRegion('city',3,'town','{:U('Base/getRegion')}');">
            <option value="0">市/县</option>
        </select>
        <select name="town" id="town">
            <option value="0">镇/区</option>
        </select>
    </body>
</html>